/Engine/Source/Runtime/GeometryCore/Public/Implicit/GridInterpolant.h
GridType must have a GetValue() that returns a value to interpolate at a givenFVector3ilocation  (w/ locations ranging from [0,0,0] to Dimensions (exclusive))
template<class GridType> class TTriLinearGridInterpolant
double
CellSize
FVector3i
Dimensions
GridType *
Grid
FVector3d
GridOrigin
double
Outside
Value to return if query point is outside Grid (in an SDF outside is usually positive).